Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

Ever since humans first gazed up at the night sky, the Universe has filled us with awe and wonder. Lately, however, it's also ...

Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their ...

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

Dusty stars close to the Milky Way’s black hole stay stable for years. New infrared data shows they survive gravity and ...

Supersonic shock waves are cone-shaped disturbances that result from an object moving faster than the speed of sound. If you ...

"If this turns out to be real, then it’s enormous." ...

Researchers say they have discovered what may be the closest known black hole to Earth, which they have dubbed "the Unicorn." The black hole is about three times the mass of our sun, meaning it is ...

A monstrous black hole in a distant galaxy has earned itself a nickname worthy of a science-fiction horror movie for its gluttonous feasting on any stars that dare get near. Meet "Space Jaws." NASA ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the satellites we use for navigation, communication and Earth observation every ...

In a major leap forward, scientists, using the Event Horizon Telescope (EHT), have captured the sharpest images yet of distant galactic centers. Using light at a frequency of 345 GHz, they’ve peered ...

Inside Silke Weinfurtner’s laboratory at the University of Nottingham in the UK, a giant water tank is helping her team better understand the complexity of the universe by standing in as an analogue ...